DerInputStream class is available in rt.jar and ibmpkcs.jar in Websphere

 The DerInputStream class is a part of the Java Cryptography Extension (JCE) API and is typically included in the rt.jar file of the Java runtime environment.

As for Websphere, the ibmpkcs.jar file is an IBM-provided package that contains classes for PKCS-related functionality, including the DerInputStream class. So it is possible that the DerInputStream class is available in both rt.jar and ibmpkcs.jar in Websphere, depending on the specific version and configuration of Websphere being used.



To import the com.ibm.security.util.DerInputStream class in your Java program, you can use the following import statement: import com.ibm.security.util.DerInputStream; Note that in order to use this class, you need to have the IBM Security Provider JAR file (ibmpkcs.jar) in your classpath. You can download this JAR file from the IBM website or obtain it from your Websphere installation directory. Once you have added the JAR file to your classpath, you should be able to import and use the DerInputStream class in your Java program.

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